mx01.inetlocker.net has no NS records.
NS records for this zone are defined at inetlocker.net.
NS records for this zone are defined at inetlocker.net.
Question and response
Question
dig mx01.inetlocker.net. NS
Answer
The response has no answer records.
Authority
inetlocker.net. 1800 SOA alex.ns.cloudflare.com. dns.cloudflare.com. 2397023988 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0